Additions made to capitalized computer software costs during the period.

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Amount of expense for amortization of capitalized computer software costs.

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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Summary of business and significant accounting policies - Research and Software Development Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Capitalized software development costs		$ 781
Unamortized capitalized software development costs	$ 347	608
Cost of revenue
Finite-Lived Intangible Assets [Line Items]
Amortization expense related to capitalized software costs	$ 260	$ 174	$ 0
Minimum
Finite-Lived Intangible Assets [Line Items]
Useful lives/amortization period	3 years
Maximum
Finite-Lived Intangible Assets [Line Items]
Useful lives/amortization period	5 years